IpAddressTableEntry: Unable to determine IP address type (4)

Provisioning new node stop while scanning ip interface table with:

Agent failed while scanning the IP address tables : Unexpected error occurred processing IP address tables for /10.11.1.170: java.lang.NullPointerException

in provisiond.log found:
IpAddressTableEntry: Unable to determine IP address type (4)

and:

2012-06-27 13:23:32,024 INFO [importExecutor-5] Phase$PhaseMethod$1: failed to invoke lifecycle instance
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.opennms.netmgt.provision.service.lifecycle.Phase$PhaseMethod.doInvoke(Phase.java:191)
at org.opennms.netmgt.provision.service.lifecycle.Phase$PhaseMethod.access$100(Phase.java:157)
at org.opennms.netmgt.provision.service.lifecycle.Phase$PhaseMethod$1.run(Phase.java:174)
at org.opennms.core.tasks.SyncTask.run(SyncTask.java:89)
at org.opennms.core.tasks.SyncTask$1.run(SyncTask.java:100)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:98)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:206)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.NullPointerException
at org.opennms.netmgt.provision.service.snmp.IpAddressTableEntry.getIpAddressNetMask(IpAddressTableEntry.java:132)
at org.opennms.netmgt.provision.service.snmp.IpAddressTable.getNetMask(IpAddressTable.java:146)
at org.opennms.netmgt.provision.service.snmp.IpAddressTable.updateIpInterfaceData(IpAddressTable.java:227)
at org.opennms.netmgt.provision.service.operations.ScanManager.updateSnmpData(ScanManager.java:181)
at org.opennms.netmgt.provision.service.operations.SaveOrUpdateOperation.updateSnmpData(SaveOrUpdateOperation.java:147)
at org.opennms.netmgt.provision.service.operations.SaveOrUpdateOperation.scan(SaveOrUpdateOperation.java:139)
at org.opennms.netmgt.provision.service.CoreImportActivities.scanNode(CoreImportActivities.java:143)
... 23 more
2012-06-27 13:23:32,025 INFO [importExecutor-8] Phase$PhaseMethod$1: failed to invoke lifecycle instance
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.opennms.netmgt.provision.service.lifecycle.Phase$PhaseMethod.doInvoke(Phase.java:191)
at org.opennms.netmgt.provision.service.lifecycle.Phase$PhaseMethod.access$100(Phase.java:157)
at org.opennms.netmgt.provision.service.lifecycle.Phase$PhaseMethod$1.run(Phase.java:174)
at org.opennms.core.tasks.SyncTask.run(SyncTask.java:89)
at org.opennms.core.tasks.SyncTask$1.run(SyncTask.java:100)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:98)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:206)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.NullPointerException
at org.opennms.netmgt.provision.service.snmp.IpAddressTableEntry.getIpAddressNetMask(IpAddressTableEntry.java:132)
at org.opennms.netmgt.provision.service.snmp.IpAddressTable.getNetMask(IpAddressTable.java:146)
at org.opennms.netmgt.provision.service.snmp.IpAddressTable.updateIpInterfaceData(IpAddressTable.java:227)
at org.opennms.netmgt.provision.service.operations.ScanManager.updateSnmpData(ScanManager.java:181)
at org.opennms.netmgt.provision.service.operations.SaveOrUpdateOperation.updateSnmpData(SaveOrUpdateOperation.java:147)
at org.opennms.netmgt.provision.service.operations.SaveOrUpdateOperation.scan(SaveOrUpdateOperation.java:139)
at org.opennms.netmgt.provision.service.CoreImportActivities.scanNode(CoreImportActivities.java:143)
... 23 more
2012-06-27 13:23:32,025 TRACE [Provisiond-TaskScheduler] DefaultTaskMonitor: completed(Runner for Phase scan of lifecycle nodeImport)

attached anonymized snmpwalk of device.